package com.pp.demo.common.handler;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.pp.demo.common.base.BaseResult;
import lombok.RequiredArgsConstructor;
import lombok.SneakyThrows;
import lombok.extern.slf4j.Slf4j;
import org.springframework.core.MethodParameter;
import org.springframework.http.MediaType;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.server.ServerHttpRequest;
import org.springframework.http.server.ServerHttpResponse;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import org.springframework.web.servlet.mvc.method.annotation.ResponseBodyAdvice;

@Slf4j
@RequiredArgsConstructor
@RestControllerAdvice(basePackages = {"com.pp.demo.module"})
public class GlobalResponseHandler implements ResponseBodyAdvice<Object> {

    private final ObjectMapper objectMapper;

    @Override
    public boolean supports(MethodParameter returnType, Class<? extends HttpMessageConverter<?>> converterType) {
        return !(returnType.getParameterType().isAssignableFrom(BaseResult.class));
    }

    @SneakyThrows
    @Override
    public Object beforeBodyWrite(Object body, MethodParameter returnType, MediaType selectedContentType, Class<? extends HttpMessageConverter<?>> selectedConverterType, ServerHttpRequest request, ServerHttpResponse response) {
        if(body instanceof String){
            return objectMapper.writeValueAsString(BaseResult.success(body));
        }
        return BaseResult.success(body);
    }
}
